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What is really life? Why are some things alive while others are not. Why atoms, electrons, subatomic not life but bacteria, plants, animals life? What makes the difference? Oxygen? Blood? ATP? Consciousness? Chemical Structure? What makes life?

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Just Ice Profile
Just Ice answered

What is really life? Why are some things alive while others are not. Why atoms, electrons, subatomic not life but bacteria, plants, animals life? What makes the difference? Oxygen? Blood? ATP? Consciousness? Chemical Structure? What makes life?It's a complex issue, but let's see if we can shed some light on it without getting embroiled in any complexity.

Electrons and subatomic particles are part of every atom. In other words every atom is made up of electrons and other subatomic particles lie protons and neutrons.

Atoms are, in turn, the fundamental building blocks of all matter, living and nonliving, and in all states solid, liquid and gas.

In very simple terms a thing is living [it has life] if it is biologically active within itself and in its interaction with its environment and it takes in nutrition and processes it, and it is self sustaining in these activities.

Tom  Jackson Profile
Tom Jackson answered

Humans define life in a useful way for practical reasons---we need words to categorize the items that we deal with.

the condition that distinguishes animals and plants from inorganic matter, including the capacity for growth, reproduction, functional activity, and continual change preceding death

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